[INFO] cloning repository https://github.com/nem0-z/aoc21
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nem0-z/aoc21" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnem0-z%2Faoc21", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnem0-z%2Faoc21'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b39228d31ba5e48a58a9593f6128fc84c7d1155f
[INFO] testing nem0-z/aoc21 against beta-2025-09-21 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnem0-z%2Faoc21" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nem0-z/aoc21
[INFO] finished tweaking git repo https://github.com/nem0-z/aoc21
[INFO] tweaked toml for git repo https://github.com/nem0-z/aoc21 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nem0-z/aoc21 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nem0-z/aoc21 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e732319299a1b11f5a1db6337e456b20ae0a102a85022bc2fbb49e90aa1ff0c4
[INFO] running `Command { std: "docker" "start" "-a" "e732319299a1b11f5a1db6337e456b20ae0a102a85022bc2fbb49e90aa1ff0c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e732319299a1b11f5a1db6337e456b20ae0a102a85022bc2fbb49e90aa1ff0c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e732319299a1b11f5a1db6337e456b20ae0a102a85022bc2fbb49e90aa1ff0c4", kill_on_drop: false }`
[INFO] [stdout] e732319299a1b11f5a1db6337e456b20ae0a102a85022bc2fbb49e90aa1ff0c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9a1beb715c5392611de3a29badf22ae783488695add73ab09d852bb4c2399d0
[INFO] running `Command { std: "docker" "start" "-a" "f9a1beb715c5392611de3a29badf22ae783488695add73ab09d852bb4c2399d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling aoc21 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/day3.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut vec = data.split("\n").collect::<Vec<&str>>();
[INFO] [stdout]   |         ----^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "f9a1beb715c5392611de3a29badf22ae783488695add73ab09d852bb4c2399d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9a1beb715c5392611de3a29badf22ae783488695add73ab09d852bb4c2399d0", kill_on_drop: false }`
[INFO] [stdout] f9a1beb715c5392611de3a29badf22ae783488695add73ab09d852bb4c2399d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aace990b7a9d8d199817b9f86f3c2c12c5cf21d94ba8d776e92bb6be5b38fd1f
[INFO] running `Command { std: "docker" "start" "-a" "aace990b7a9d8d199817b9f86f3c2c12c5cf21d94ba8d776e92bb6be5b38fd1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling aoc21 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/day3.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut vec = data.split("\n").collect::<Vec<&str>>();
[INFO] [stdout]   |         ----^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "aace990b7a9d8d199817b9f86f3c2c12c5cf21d94ba8d776e92bb6be5b38fd1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aace990b7a9d8d199817b9f86f3c2c12c5cf21d94ba8d776e92bb6be5b38fd1f", kill_on_drop: false }`
[INFO] [stdout] aace990b7a9d8d199817b9f86f3c2c12c5cf21d94ba8d776e92bb6be5b38fd1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 09c93d40402c850518b162e9cc7227bb5f709d2ddb9a5fd25cab2af2b730d3b8
[INFO] running `Command { std: "docker" "start" "-a" "09c93d40402c850518b162e9cc7227bb5f709d2ddb9a5fd25cab2af2b730d3b8", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/day3.rs:6:6
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let mut vec = data.split("\n").collect::<Vec<&str>>();
[INFO] [stderr]   |         ----^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `aoc21` (bin "aoc21" test) generated 1 warning (run `cargo fix --bin "aoc21" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/aoc21-6d60737e9912952c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "09c93d40402c850518b162e9cc7227bb5f709d2ddb9a5fd25cab2af2b730d3b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09c93d40402c850518b162e9cc7227bb5f709d2ddb9a5fd25cab2af2b730d3b8", kill_on_drop: false }`
[INFO] [stdout] 09c93d40402c850518b162e9cc7227bb5f709d2ddb9a5fd25cab2af2b730d3b8
